@function _doubleUnit($unit) {
  @return 2 * $unit;
}

@mixin pubFontFamily {
  font-family: PingFangSC, PingFangSC-Regular;
}

@mixin _ellipsis($unit) {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: $unit;
  -webkit-box-orient: vertical;
}